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#ifndef __FLAT_TASK_H__
#define __FLAT_TASK_H__
#include <set>
#include "types.hpp"
struct task_prior
{
bool operator()(task_s* s, task_s* g) const;
};
typedef std::set<task_s*, task_prior> task_set;
class task_s
{
/* Call priority of a task */
/* 0 = maximum priority */
/* 5 = default priority */
Uint8 priority;
bool pre_process;
/* Callback list */
static task_set pre_process_tasks;
static task_set post_process_tasks;
public:
task_s(bool pre_process = false, Uint8 priority = 5);
virtual ~task_s();
virtual void exec() = 0;
Uint8 getPriority() const;
void setPriority(Uint8 priority);
/* Execute tasks */
static void executePreProcess();
static void executePostProcess();
};
template<class T, typename arg_t = void*>
class FlatTask : public task_s
{
typedef void (T::*callback_t)(arg_t);
T * object;
callback_t callback;
arg_t args;
public:
FlatTask( T *object,
callback_t callback,
arg_t args,
bool pre_process = false,
Uint8 priority = 5)
: task_s(pre_process, priority), object(object), callback(callback), args(args) {}
virtual void exec() override
{
(object->*callback)(args);
}
};
#endif
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